— I failed in the exam again. How I wish I__________ harder!—Come on! You can do it if you try.
My former class teacher asked me to go and see him whenever _________.
The first question was quite difficult but the rest _______ easy, _______ surprised us all.
The rescue team __________ 15 countries has come to aid..
Studies show that people are more __________ to suffer from back problems if they always sit before computer screens for long hours.
At last the soldiers reached ______the locals called the Golden Triangle.